HACK: Passwords stolen from major online hookup service

IF you're one of the millions who've signed up for a sex hookup site in the last twenty years, your personal details may have just been leaked.

412 million emails and passwords have been leaked thanks to a security breach at popular hook-up website Adult Friend Finder, the Telegraph reports.

Adult Friend Finder itself and its sister sites Cams.com and Penthouse.com were hacked, with "at least 5.2 million" UK email addresses taken in the breach.

This hack is much larger than last year's attack on the Ashley Madison site in which the personal details of a mere 37 million people were released.

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There's no word yet on who's behind the attack on the Friend Finder Networks systems.

Leaked Source, the organisation who discovered the leak, puts the blame on weak and outdated website security for the attack. The method of storing the usernames and passwords meant nearly all of those stolen were legible to the hackers.

"Passwords were stored by Friend Finder Networks either in plan visible format or SHA1 hashed. Neither method is considered secure by any stretch of the imagination," said Leaked Source.

Friend Finder Networks has not yet confirmed the breach, but has made comment.

"Over the past several weeks, Friend Finder has received a number of reports regarding potential security vulnerabilities," company vice president Diana Ballou said.

"Immediately upon learning this information, we took several steps to review the situation and bring in the right external partners to support our investigation.

"While a number of these claims proved to be false extortion attempts, we did identify and fix a vulnerability."

Are you affected?

If you've signed up for any of the following sites, your details may have been leaked: